19257441

素因数分解:

$3^1\times 7^2\times {\mathrm{269}}^1\times {\mathrm{487}}^1$

素因数の和:773

約数の個数: 24

約数和(自身を含む): 30041280

約数和(自身を除く): 10783839

約数列:

[1, 3, 7, 21, 49, 147, 269, 487, 807, 1461, 1883, 3409, 5649, 10227, 13181, 23863, 39543, 71589, 131003, 393009, 917021, 2751063, 6419147, 19257441]

約数ペア:

[(1, 19257441), (3, 6419147), (7, 2751063), (21, 917021), (49, 393009), (147, 131003), (269, 71589), (487, 39543), (807, 23863), (1461, 13181), (1883, 10227), (3409, 5649)]